40115451412 has 48 divisors (see below), whose sum is σ = 80941896000. Its totient is φ = 17267572224.

The previous prime is 40115451367. The next prime is 40115451413. The reversal of 40115451412 is 21415451104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40115451413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497862 + ... + 572797.

It is an arithmetic number, because the mean of its divisors is an integer number (1686289500).

Almost surely, 2^40115451412 is an apocalyptic number.

It is an amenable number.

40115451412 is an abundant number, since it is smaller than the sum of its proper divisors (40826444588).

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

40115451412 is a wasteful number, since it uses less digits than its factorization.

40115451412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070728 (or 1070726 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 40115451412 in words is "forty billion, one hundred fifteen million, four hundred fifty-one thousand, four hundred twelve".