1542018492 has 192 divisors, whose sum is σ = 4965990400. Its totient is φ = 403807680.

The previous prime is 1542018431. The next prime is 1542018503. The reversal of 1542018492 is 2948102451.

1542018492 is a `hidden beast` number, since 154 + 2 + 0 + 18 + 492 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 443553 + ... + 447015.

Almost surely, 2^1542018492 is an apocalyptic number.

1542018492 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 1542018492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482995200).

1542018492 is an abundant number, since it is smaller than the sum of its proper divisors (3423971908).

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

1542018492 is a wasteful number, since it uses less digits than its factorization.

1542018492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1542018492 is about 39268.5432884898. The cubic root of 1542018492 is about 1155.3046657911.

The spelling of 1542018492 in words is "one billion, five hundred forty-two million, eighteen thousand, four hundred ninety-two".