1904531645952 has 120 divisors (see below), whose sum is σ = 5919423413904. Its totient is φ = 586009718784.

The previous prime is 1904531645903. The next prime is 1904531645963. The reversal of 1904531645952 is 2595461354091.

It is a happy number.

1904531645952 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 531 + 6 + 4 + 59 + 52 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15836628 + ... + 15956435.

Almost surely, 2^{1904531645952} is an apocalyptic number.

1904531645952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1904531645952 is an abundant number, since it is smaller than the sum of its proper divisors (4014891767952).

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

1904531645952 is a wasteful number, since it uses less digits than its factorization.

1904531645952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31793100 (or 31793081 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 1904531645952 in words is "one trillion, nine hundred four billion, five hundred thirty-one million, six hundred forty-five thousand, nine hundred fifty-two".