6634472540 has 12 divisors (see below), whose sum is σ = 13932392376. Its totient is φ = 2653789008.

The previous prime is 6634472527. The next prime is 6634472549. The reversal of 6634472540 is 452744366.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634472549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165861794 + ... + 165861833.

It is an arithmetic number, because the mean of its divisors is an integer number (1161032698).

Almost surely, 2^6634472540 is an apocalyptic number.

It is an amenable number.

6634472540 is an abundant number, since it is smaller than the sum of its proper divisors (7297919836).

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

6634472540 is a wasteful number, since it uses less digits than its factorization.

6634472540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331723636 (or 331723634 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The square root of 6634472540 is about 81452.2715459796. The cubic root of 6634472540 is about 1879.0375845856.

The spelling of 6634472540 in words is "six billion, six hundred thirty-four million, four hundred seventy-two thousand, five hundred forty".