40531051401 has 32 divisors (see below), whose sum is σ = 56236646400. Its totient is φ = 25938057600.

The previous prime is 40531051397. The next prime is 40531051403. The reversal of 40531051401 is 10415013504.

It is a happy number.

It is not a de Polignac number, because 40531051401 - 2² = 40531051397 is a prime.

It is a super-2 number, since 2×40531051401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40531051403) 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, 6138700 + ... + 6145298.

It is an arithmetic number, because the mean of its divisors is an integer number (1757395200).

Almost surely, 2^40531051401 is an apocalyptic number.

It is an amenable number.

40531051401 is a deficient number, since it is larger than the sum of its proper divisors (15705594999).

40531051401 is a wasteful number, since it uses less digits than its factorization.

40531051401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 40531051401 its reverse (10415013504), we get a palindrome (50946064905).

The spelling of 40531051401 in words is "forty billion, five hundred thirty-one million, fifty-one thousand, four hundred one".