40244400136436 has 12 divisors (see below), whose sum is σ = 70427789677728. Its totient is φ = 20122174514232.

The previous prime is 40244400136399. The next prime is 40244400136441. The reversal of 40244400136436 is 63463100444204.

It is a super-2 number, since 2×40244400136436² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40244400136393 and 40244400136402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594696 + ... + 9339231.

It is an arithmetic number, because the mean of its divisors is an integer number (5868982473144).

Almost surely, 2^{40244400136436} is an apocalyptic number.

It is an amenable number.

40244400136436 is a deficient number, since it is larger than the sum of its proper divisors (30183389541292).

40244400136436 is a wasteful number, since it uses less digits than its factorization.

40244400136436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776998 (or 12776996 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

The spelling of 40244400136436 in words is "forty trillion, two hundred forty-four billion, four hundred million, one hundred thirty-six thousand, four hundred thirty-six".