1544042412 has 168 divisors, whose sum is σ = 4542490512. Its totient is φ = 454896000.

The previous prime is 1544042407. The next prime is 1544042419. The reversal of 1544042412 is 2142404451.

1544042412 is a `hidden beast` number, since 15 + 4 + 404 + 241 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1544042419) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1186162 + ... + 1187462.

It is an arithmetic number, because the mean of its divisors is an integer number (27038634).

Almost surely, 2^1544042412 is an apocalyptic number.

1544042412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1544042412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271245256).

1544042412 is an abundant number, since it is smaller than the sum of its proper divisors (2998448100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1544042412 is a wasteful number, since it uses less digits than its factorization.

1544042412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1544042412 is about 39294.3050835614. The cubic root of 1544042412 is about 1155.8098957834.

Adding to 1544042412 its reverse (2142404451), we get a palindrome (3686446863).

It can be divided in two parts, 154404 and 2412, that added together give a square (156816 = 396²).

The spelling of 1544042412 in words is "one billion, five hundred forty-four million, forty-two thousand, four hundred twelve".