40240144353212 has 48 divisors (see below), whose sum is σ = 71894120538240. Its totient is φ = 19704480120000.

The previous prime is 40240144353209. The next prime is 40240144353221. The reversal of 40240144353212 is 21235344104204.

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, 12932663 + ... + 15739569.

It is an arithmetic number, because the mean of its divisors is an integer number (1497794177880).

Almost surely, 2^{40240144353212} is an apocalyptic number.

It is an amenable number.

40240144353212 is a deficient number, since it is larger than the sum of its proper divisors (31653976185028).

40240144353212 is a wasteful number, since it uses less digits than its factorization.

40240144353212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807402 (or 2807400 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 40240144353212 its reverse (21235344104204), we get a palindrome (61475488457416).

The spelling of 40240144353212 in words is "forty trillion, two hundred forty billion, one hundred forty-four million, three hundred fifty-three thousand, two hundred twelve".