40134402240 has 112 divisors (see below), whose sum is σ = 134133457920. Its totient is φ = 10139212800.

The previous prime is 40134402223. The next prime is 40134402251. The reversal of 40134402240 is 4220443104.

It is a happy number.

It is a super-2 number, since 2×40134402240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40134402240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081936 + ... + 1118415.

It is an arithmetic number, because the mean of its divisors is an integer number (1197620160).

Almost surely, 2^40134402240 is an apocalyptic number.

40134402240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40134402240 is an abundant number, since it is smaller than the sum of its proper divisors (93999055680).

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

40134402240 is a wasteful number, since it uses less digits than its factorization.

40134402240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200390 (or 2200380 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40134402240 its reverse (4220443104), we get a palindrome (44354845344).

The spelling of 40134402240 in words is "forty billion, one hundred thirty-four million, four hundred two thousand, two hundred forty".