27239073940 has 24 divisors (see below), whose sum is σ = 61602213960. Its totient is φ = 10057504128.

The previous prime is 27239073899. The next prime is 27239073941. The reversal of 27239073940 is 4937093272.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2026080144 + 25212993796 = 45012^2 + 158786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27239073941) 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, 52382575 + ... + 52383094.

It is an arithmetic number, because the mean of its divisors is an integer number (2566758915).

Almost surely, 2^27239073940 is an apocalyptic number.

27239073940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27239073940 is an abundant number, since it is smaller than the sum of its proper divisors (34363140020).

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

27239073940 is a wasteful number, since it uses less digits than its factorization.

27239073940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104765691 (or 104765689 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 46.

The spelling of 27239073940 in words is "twenty-seven billion, two hundred thirty-nine million, seventy-three thousand, nine hundred forty".