427690524240 has 120 divisors (see below), whose sum is σ = 1641516983808. Its totient is φ = 97757832960.

The previous prime is 427690524197. The next prime is 427690524253. The reversal of 427690524240 is 42425096724.

427690524240 is a `hidden beast` number, since 4 + 27 + 69 + 0 + 524 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42424576 + ... + 42434655.

Almost surely, 2^427690524240 is an apocalyptic number.

427690524240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427690524240 is an abundant number, since it is smaller than the sum of its proper divisors (1213826459568).

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

427690524240 is a wasteful number, since it uses less digits than its factorization.

427690524240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84859257 (or 84859248 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 427690524240 in words is "four hundred twenty-seven billion, six hundred ninety million, five hundred twenty-four thousand, two hundred forty".