40265112212 has 48 divisors (see below), whose sum is σ = 78012065040. Its totient is φ = 18063793152.

The previous prime is 40265112193. The next prime is 40265112253. The reversal of 40265112212 is 21221156204.

It can be written as a sum of positive squares in 8 ways, for example, as 3384214276 + 36880897936 = 58174^2 + 192044^2 .

It is a super-2 number, since 2×40265112212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 2046968 + ... + 2066544.

It is an arithmetic number, because the mean of its divisors is an integer number (1625251355).

Almost surely, 2^40265112212 is an apocalyptic number.

It is an amenable number.

40265112212 is a deficient number, since it is larger than the sum of its proper divisors (37746952828).

40265112212 is a wasteful number, since it uses less digits than its factorization.

40265112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20700 (or 20698 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 40265112212 its reverse (21221156204), we get a palindrome (61486268416).

The spelling of 40265112212 in words is "forty billion, two hundred sixty-five million, one hundred twelve thousand, two hundred twelve".