40011430020 has 24 divisors (see below), whose sum is σ = 112032004224. Its totient is φ = 10669714656.

The previous prime is 40011429961. The next prime is 40011430033. The reversal of 40011430020 is 2003411004.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333428524 + ... + 333428643.

It is an arithmetic number, because the mean of its divisors is an integer number (4668000176).

Almost surely, 2^40011430020 is an apocalyptic number.

It is an amenable number.

40011430020 is an abundant number, since it is smaller than the sum of its proper divisors (72020574204).

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

40011430020 is a wasteful number, since it uses less digits than its factorization.

40011430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666857179 (or 666857177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 40011430020 its reverse (2003411004), we get a palindrome (42014841024).

The spelling of 40011430020 in words is "forty billion, eleven million, four hundred thirty thousand, twenty".