40134260 has 24 divisors (see below), whose sum is σ = 87189480. Its totient is φ = 15499904.

The previous prime is 40134221. The next prime is 40134271. The reversal of 40134260 is 6243104.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10995856 + 29138404 = 3316^2 + 5398^2 .

It is a super-2 number, since 2×40134260² = 3221517651495200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 34019 + ... + 35178.

It is an arithmetic number, because the mean of its divisors is an integer number (3632895).

Almost surely, 2^40134260 is an apocalyptic number.

It is an amenable number.

40134260 is an abundant number, since it is smaller than the sum of its proper divisors (47055220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40134260 is a wasteful number, since it uses less digits than its factorization.

40134260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69235 (or 69233 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40134260 is about 6335.1606135914. The cubic root of 40134260 is about 342.3773976440.

Adding to 40134260 its reverse (6243104), we get a palindrome (46377364).

The spelling of 40134260 in words is "forty million, one hundred thirty-four thousand, two hundred sixty".