1959154452 has 72 divisors (see below), whose sum is σ = 5153034432. Its totient is φ = 650851200.

The previous prime is 1959154447. The next prime is 1959154453. The reversal of 1959154452 is 2544519591.

1959154452 is a `hidden beast` number, since 1 + 9 + 59 + 1 + 544 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1959154398 and 1959154407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1959154453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299052 + ... + 305532.

Almost surely, 2^1959154452 is an apocalyptic number.

1959154452 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 1959154452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576517216).

1959154452 is an abundant number, since it is smaller than the sum of its proper divisors (3193879980).

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

1959154452 is a wasteful number, since it uses less digits than its factorization.

1959154452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811 (or 6797 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 1959154452 is about 44262.3367209640. The cubic root of 1959154452 is about 1251.2849617394.

The spelling of 1959154452 in words is "one billion, nine hundred fifty-nine million, one hundred fifty-four thousand, four hundred fifty-two".