939697404540 has 48 divisors (see below), whose sum is σ = 2631512774688. Its totient is φ = 250551684864.

The previous prime is 939697404523. The next prime is 939697404557. The reversal of 939697404540 is 45404796939.

It is an interprime number because it is at equal distance from previous prime (939697404523) and next prime (939697404557).

It is a super-2 number, since 2×939697404540² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 627907 + ... + 1507866.

It is an arithmetic number, because the mean of its divisors is an integer number (54823182806).

Almost surely, 2^939697404540 is an apocalyptic number.

It is an amenable number.

939697404540 is an abundant number, since it is smaller than the sum of its proper divisors (1691815370148).

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

939697404540 is a wasteful number, since it uses less digits than its factorization.

939697404540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143118 (or 2143116 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 60.

The spelling of 939697404540 in words is "nine hundred thirty-nine billion, six hundred ninety-seven million, four hundred four thousand, five hundred forty".