40012426236 has 48 divisors (see below), whose sum is σ = 94536570240. Its totient is φ = 13170427200.

The previous prime is 40012426231. The next prime is 40012426241. The reversal of 40012426236 is 63262421004.

It is an interprime number because it is at equal distance from previous prime (40012426231) and next prime (40012426241).

It is a super-2 number, since 2×40012426236² (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 (40012426231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415795 + ... + 502901.

It is an arithmetic number, because the mean of its divisors is an integer number (1969511880).

Almost surely, 2^40012426236 is an apocalyptic number.

It is an amenable number.

40012426236 is an abundant number, since it is smaller than the sum of its proper divisors (54524144004).

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

40012426236 is a wasteful number, since it uses less digits than its factorization.

40012426236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87594 (or 87592 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 40012426236 in words is "forty billion, twelve million, four hundred twenty-six thousand, two hundred thirty-six".