42651522 has 40 divisors (see below), whose sum is σ = 99734976. Its totient is φ = 13597848.

The previous prime is 42651517. The next prime is 42651527. The reversal of 42651522 is 22515624.

42651522 is a `hidden beast` number, since 4 + 2 + 651 + 5 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (42651517) and next prime (42651527).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (42651527) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1998 + ... + 9449.

Almost surely, 2^42651522 is an apocalyptic number.

42651522 is an abundant number, since it is smaller than the sum of its proper divisors (57083454).

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

42651522 is a wasteful number, since it uses less digits than its factorization.

42651522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11484 (or 11475 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 42651522 is about 6530.8132724799. The cubic root of 42651522 is about 349.3908369864.

The spelling of 42651522 in words is "forty-two million, six hundred fifty-one thousand, five hundred twenty-two".