40251132240000 has 320 divisors, whose sum is σ = 145749359400480. Its totient is φ = 9757849600000.

The previous prime is 40251132239953. The next prime is 40251132240017. The reversal of 40251132240000 is 4223115204.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4983321 + ... + 10263320.

Almost surely, 2^{40251132240000} is an apocalyptic number.

40251132240000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40251132240000 is an abundant number, since it is smaller than the sum of its proper divisors (105498227160480).

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

40251132240000 is a wasteful number, since it uses less digits than its factorization.

40251132240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15246689 (or 15246662 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40251132240000 its reverse (4223115204), we get a palindrome (40255355355204).

The spelling of 40251132240000 in words is "forty trillion, two hundred fifty-one billion, one hundred thirty-two million, two hundred forty thousand".