40880631 has 16 divisors (see below), whose sum is σ = 62961408. Its totient is φ = 23318400.

The previous prime is 40880629. The next prime is 40880641. The reversal of 40880631 is 13608804.

It is a happy number.

It is not a de Polignac number, because 40880631 - 2¹ = 40880629 is a prime.

It is a super-2 number, since 2×40880631² = 3342451981916322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40880641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35875 + ... + 36996.

It is an arithmetic number, because the mean of its divisors is an integer number (3935088).

Almost surely, 2^40880631 is an apocalyptic number.

40880631 is a deficient number, since it is larger than the sum of its proper divisors (22080777).

40880631 is a wasteful number, since it uses less digits than its factorization.

40880631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72902.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40880631 is about 6393.7962901550. The cubic root of 40880631 is about 344.4867562736.

The spelling of 40880631 in words is "forty million, eight hundred eighty thousand, six hundred thirty-one".