40011213140 has 48 divisors (see below), whose sum is σ = 84939883392. Its totient is φ = 15830315136.

The previous prime is 40011213139. The next prime is 40011213157. The reversal of 40011213140 is 4131211004.

It is a happy number.

It is a congruent number.

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, 1795547 + ... + 1817693.

It is an arithmetic number, because the mean of its divisors is an integer number (1769580904).

Almost surely, 2^40011213140 is an apocalyptic number.

It is an amenable number.

40011213140 is an abundant number, since it is smaller than the sum of its proper divisors (44928670252).

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

40011213140 is a wasteful number, since it uses less digits than its factorization.

40011213140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23136 (or 23134 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 40011213140 its reverse (4131211004), we get a palindrome (44142424144).

The spelling of 40011213140 in words is "forty billion, eleven million, two hundred thirteen thousand, one hundred forty".