72412045440454 has 32 divisors (see below), whose sum is σ = 111090903523200. Its totient is φ = 35384000850432.

The previous prime is 72412045440451. The next prime is 72412045440547. The reversal of 72412045440454 is 45404454021427.

It is a super-2 number, since 2×72412045440454² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72412045440451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831810322 + ... + 831897370.

It is an arithmetic number, because the mean of its divisors is an integer number (3471590735100).

Almost surely, 2^{72412045440454} is an apocalyptic number.

72412045440454 is a deficient number, since it is larger than the sum of its proper divisors (38678858082746).

72412045440454 is a wasteful number, since it uses less digits than its factorization.

72412045440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99904.

The product of its (nonzero) digits is 2867200, while the sum is 46.

The spelling of 72412045440454 in words is "seventy-two trillion, four hundred twelve billion, forty-five million, four hundred forty thousand, four hundred fifty-four".