42520310532 has 48 divisors (see below), whose sum is σ = 125986107520. Its totient is φ = 12148659936.

The previous prime is 42520310411. The next prime is 42520310633. The reversal of 42520310532 is 23501302524.

It is a happy number.

42520310532 is a `hidden beast` number, since 4 + 2 + 520 + 3 + 105 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42520310496 and 42520310505.

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, 28121143 + ... + 28122654.

Almost surely, 2^42520310532 is an apocalyptic number.

42520310532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42520310532 is an abundant number, since it is smaller than the sum of its proper divisors (83465796988).

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

42520310532 is a wasteful number, since it uses less digits than its factorization.

42520310532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56243817 (or 56243809 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 42520310532 in words is "forty-two billion, five hundred twenty million, three hundred ten thousand, five hundred thirty-two".