40220403012 has 48 divisors (see below), whose sum is σ = 105307574400. Its totient is φ = 13274056800.

The previous prime is 40220403011. The next prime is 40220403043. The reversal of 40220403012 is 21030402204.

40220403012 is a `hidden beast` number, since 40 + 220 + 403 + 0 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40220403011) 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, 1832712 + ... + 1854527.

It is an arithmetic number, because the mean of its divisors is an integer number (2193907800).

Almost surely, 2^40220403012 is an apocalyptic number.

It is an amenable number.

40220403012 is an abundant number, since it is smaller than the sum of its proper divisors (65087171388).

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

40220403012 is a wasteful number, since it uses less digits than its factorization.

40220403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3687353 (or 3687345 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40220403012 its reverse (21030402204), we get a palindrome (61250805216).

The spelling of 40220403012 in words is "forty billion, two hundred twenty million, four hundred three thousand, twelve".