40134377452544 has 88 divisors (see below), whose sum is σ = 81277540060800. Its totient is φ = 19805268787200.

The previous prime is 40134377452493. The next prime is 40134377452577. The reversal of 40134377452544 is 44525477343104.

It is a super-2 number, since 2×40134377452544² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205297244 + ... + 205492644.

Almost surely, 2^{40134377452544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40134377452544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40638770030400).

40134377452544 is an abundant number, since it is smaller than the sum of its proper divisors (41143162608256).

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

40134377452544 is a wasteful number, since it uses less digits than its factorization.

40134377452544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198039 (or 198021 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 53.

The spelling of 40134377452544 in words is "forty trillion, one hundred thirty-four billion, three hundred seventy-seven million, four hundred fifty-two thousand, five hundred forty-four".