40131454 has 16 divisors (see below), whose sum is σ = 65959920. Its totient is φ = 18160960.

The previous prime is 40131449. The next prime is 40131479. The reversal of 40131454 is 45413104.

It is a super-2 number, since 2×40131454² = 3221067200308232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (4122495).

Almost surely, 2^40131454 is an apocalyptic number.

40131454 is a deficient number, since it is larger than the sum of its proper divisors (25828466).

40131454 is a wasteful number, since it uses less digits than its factorization.

40131454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40131454 is about 6334.9391473005. The cubic root of 40131454 is about 342.3694183153.

Adding to 40131454 its reverse (45413104), we get a palindrome (85544558).

The spelling of 40131454 in words is "forty million, one hundred thirty-one thousand, four hundred fifty-four".