1900517532 has 48 divisors (see below), whose sum is σ = 4474821120. Its totient is φ = 627769728.

The previous prime is 1900517501. The next prime is 1900517537. The reversal of 1900517532 is 2357150091.

It is a super-2 number, since 2×1900517532² = 7223933778878742048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1900517493 and 1900517502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1900517537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722493 + ... + 1723595.

It is an arithmetic number, because the mean of its divisors is an integer number (93225440).

Almost surely, 2^1900517532 is an apocalyptic number.

1900517532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1900517532 is an abundant number, since it is smaller than the sum of its proper divisors (2574303588).

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

1900517532 is a wasteful number, since it uses less digits than its factorization.

1900517532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 1900517532 is about 43594.9255303871. The cubic root of 1900517532 is about 1238.6747747967.

The spelling of 1900517532 in words is "one billion, nine hundred million, five hundred seventeen thousand, five hundred thirty-two".