69456389940 has 144 divisors (see below), whose sum is σ = 240847501440. Its totient is φ = 15871438080.

The previous prime is 69456389909. The next prime is 69456389953. The reversal of 69456389940 is 4998365496.

69456389940 is a `hidden beast` number, since 69 + 4 + 563 + 8 + 9 + 9 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8275266 + ... + 8283654.

Almost surely, 2^69456389940 is an apocalyptic number.

69456389940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69456389940 is an abundant number, since it is smaller than the sum of its proper divisors (171391111500).

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

69456389940 is a wasteful number, since it uses less digits than its factorization.

69456389940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14982 (or 14977 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 69456389940 in words is "sixty-nine billion, four hundred fifty-six million, three hundred eighty-nine thousand, nine hundred forty".