42451525430 has 32 divisors (see below), whose sum is σ = 77141410560. Its totient is φ = 16819336800.

The previous prime is 42451525421. The next prime is 42451525463. The reversal of 42451525430 is 3452515424.

It is a super-2 number, since 2×42451525430² (a number of 22 digits) contains 22 as substring.

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, 483461 + ... + 564479.

It is an arithmetic number, because the mean of its divisors is an integer number (2410669080).

Almost surely, 2^42451525430 is an apocalyptic number.

42451525430 is a deficient number, since it is larger than the sum of its proper divisors (34689885130).

42451525430 is a wasteful number, since it uses less digits than its factorization.

42451525430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81524.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 42451525430 in words is "forty-two billion, four hundred fifty-one million, five hundred twenty-five thousand, four hundred thirty".