40351312401 has 32 divisors (see below), whose sum is σ = 57245294592. Its totient is φ = 25225886400.

The previous prime is 40351312369. The next prime is 40351312411. The reversal of 40351312401 is 10421315304.

It is a happy number.

It is not a de Polignac number, because 40351312401 - 2⁵ = 40351312369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40351312411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5639176 + ... + 5646326.

It is an arithmetic number, because the mean of its divisors is an integer number (1788915456).

Almost surely, 2^40351312401 is an apocalyptic number.

It is an amenable number.

40351312401 is a deficient number, since it is larger than the sum of its proper divisors (16893982191).

40351312401 is a wasteful number, since it uses less digits than its factorization.

40351312401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 40351312401 its reverse (10421315304), we get a palindrome (50772627705).

The spelling of 40351312401 in words is "forty billion, three hundred fifty-one million, three hundred twelve thousand, four hundred one".