2403644645132 has 48 divisors (see below), whose sum is σ = 4433130324000. Its totient is φ = 1138662948864.

The previous prime is 2403644645123. The next prime is 2403644645167. The reversal of 2403644645132 is 2315464463042.

It is a happy number.

It is a super-2 number, since 2×2403644645132² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3496844 + ... + 4127372.

It is an arithmetic number, because the mean of its divisors is an integer number (92356881750).

Almost surely, 2^{2403644645132} is an apocalyptic number.

It is an amenable number.

2403644645132 is a deficient number, since it is larger than the sum of its proper divisors (2029485678868).

2403644645132 is a wasteful number, since it uses less digits than its factorization.

2403644645132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631178 (or 631176 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 2403644645132 in words is "two trillion, four hundred three billion, six hundred forty-four million, six hundred forty-five thousand, one hundred thirty-two".