2632453640 has 32 divisors (see below), whose sum is σ = 5930415000. Its totient is φ = 1051666944.

The previous prime is 2632453619. The next prime is 2632453643. The reversal of 2632453640 is 463542362.

It can be written as a sum of positive squares in 4 ways, for example, as 1797590404 + 834863236 = 42398^2 + 28894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2632453640.

It is not an unprimeable number, because it can be changed into a prime (2632453643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8315 + ... + 73034.

Almost surely, 2^2632453640 is an apocalyptic number.

2632453640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2632453640 is an abundant number, since it is smaller than the sum of its proper divisors (3297961360).

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

2632453640 is a wasteful number, since it uses less digits than its factorization.

2632453640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82169 (or 82165 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 2632453640 is about 51307.4423451413. The cubic root of 2632453640 is about 1380.7665068900.

The spelling of 2632453640 in words is "two billion, six hundred thirty-two million, four hundred fifty-three thousand, six hundred forty".