40125400430554 has 4 divisors (see below), whose sum is σ = 60188100645834. Its totient is φ = 20062700215276.

The previous prime is 40125400430543. The next prime is 40125400430567. The reversal of 40125400430554 is 45503400452104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37807409405529 + 2317991025025 = 6148773^2 + 1522495^2 .

It is a super-2 number, since 2×40125400430554² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10031350107637 + ... + 10031350107640.

Almost surely, 2^{40125400430554} is an apocalyptic number.

40125400430554 is a deficient number, since it is larger than the sum of its proper divisors (20062700215280).

40125400430554 is a wasteful number, since it uses less digits than its factorization.

40125400430554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062700215279.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 40125400430554 its reverse (45503400452104), we get a palindrome (85628800882658).

The spelling of 40125400430554 in words is "forty trillion, one hundred twenty-five billion, four hundred million, four hundred thirty thousand, five hundred fifty-four".