1352624640 has 80 divisors (see below), whose sum is σ = 4324196448. Its totient is φ = 360697856.

The previous prime is 1352624633. The next prime is 1352624657. The reversal of 1352624640 is 464262531.

1352624640 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80382 + ... + 95741.

Almost surely, 2^1352624640 is an apocalyptic number.

1352624640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352624640 is an abundant number, since it is smaller than the sum of its proper divisors (2971571808).

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

1352624640 is an equidigital number, since it uses as much as digits as its factorization.

1352624640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176149 (or 176133 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1352624640 is about 36778.0456250737. The cubic root of 1352624640 is about 1105.9252271433.

The spelling of 1352624640 in words is "one billion, three hundred fifty-two million, six hundred twenty-four thousand, six hundred forty".