40621101163444 has 24 divisors (see below), whose sum is σ = 74205051012008. Its totient is φ = 19437655847040.

The previous prime is 40621101163399. The next prime is 40621101163463. The reversal of 40621101163444 is 44436110112604.

40621101163444 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 267353111844 + 40353748051600 = 517062^2 + 6352460^2 .

It is a super-2 number, since 2×40621101163444² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2249719659 + ... + 2249737714.

Almost surely, 2^{40621101163444} is an apocalyptic number.

It is an amenable number.

40621101163444 is a deficient number, since it is larger than the sum of its proper divisors (33583949848564).

40621101163444 is a wasteful number, since it uses less digits than its factorization.

40621101163444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499457475 (or 4499457473 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 40621101163444 in words is "forty trillion, six hundred twenty-one billion, one hundred one million, one hundred sixty-three thousand, four hundred forty-four".