40410154325421 has 10 divisors (see below), whose sum is σ = 60365786091182. Its totient is φ = 26940102883560.

The previous prime is 40410154325399. The next prime is 40410154325423. The reversal of 40410154325421 is 12452345101404.

40410154325421 is a `hidden beast` number, since 4 + 0 + 4 + 101 + 5 + 4 + 3 + 2 + 542 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40264164614025 + 145989711396 = 6345405^2 + 382086^2 .

It is not a de Polignac number, because 40410154325421 - 2²⁶ = 40410087216557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40410154325423) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 249445396990 + ... + 249445397151.

Almost surely, 2^{40410154325421} is an apocalyptic number.

It is an amenable number.

40410154325421 is a deficient number, since it is larger than the sum of its proper divisors (19955631765761).

40410154325421 is an equidigital number, since it uses as much as digits as its factorization.

40410154325421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498890794153 (or 498890794144 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 40410154325421 its reverse (12452345101404), we get a palindrome (52862499426825).

The spelling of 40410154325421 in words is "forty trillion, four hundred ten billion, one hundred fifty-four million, three hundred twenty-five thousand, four hundred twenty-one".