239248461640 has 32 divisors (see below), whose sum is σ = 569974277880. Its totient is φ = 90070008832.

The previous prime is 239248461631. The next prime is 239248461649. The reversal of 239248461640 is 46164842932.

It is an interprime number because it is at equal distance from previous prime (239248461631) and next prime (239248461649).

It can be written as a sum of positive squares in 4 ways, for example, as 213261087204 + 25987374436 = 461802^2 + 161206^2 .

It is not an unprimeable number, because it can be changed into a prime (239248461649) 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, 175917307 + ... + 175918666.

Almost surely, 2^239248461640 is an apocalyptic number.

239248461640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239248461640 is an abundant number, since it is smaller than the sum of its proper divisors (330725816240).

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

239248461640 is a wasteful number, since it uses less digits than its factorization.

239248461640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351836001 (or 351835997 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 239248461640 in words is "two hundred thirty-nine billion, two hundred forty-eight million, four hundred sixty-one thousand, six hundred forty".