40348641136 has 20 divisors (see below), whose sum is σ = 78225685200. Its totient is φ = 20161367552.

The previous prime is 40348641133. The next prime is 40348641239. The reversal of 40348641136 is 63114684304.

It is a super-2 number, since 2×40348641136² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40348641131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783841 + ... + 833728.

It is an arithmetic number, because the mean of its divisors is an integer number (3911284260).

Almost surely, 2^40348641136 is an apocalyptic number.

It is an amenable number.

40348641136 is a deficient number, since it is larger than the sum of its proper divisors (37877044064).

40348641136 is a wasteful number, since it uses less digits than its factorization.

40348641136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619136 (or 1619130 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 40348641136 in words is "forty billion, three hundred forty-eight million, six hundred forty-one thousand, one hundred thirty-six".