40204315420 has 48 divisors (see below), whose sum is σ = 84644538048. Its totient is φ = 16040747520.

The previous prime is 40204315391. The next prime is 40204315433. The reversal of 40204315420 is 2451340204.

It is a happy number.

40204315420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×40204315420⁴ (a number of 44 digits) contains 4444 as substring.

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, 23360160 + ... + 23361880.

It is an arithmetic number, because the mean of its divisors is an integer number (1763427876).

Almost surely, 2^40204315420 is an apocalyptic number.

It is an amenable number.

40204315420 is an abundant number, since it is smaller than the sum of its proper divisors (44440222628).

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

40204315420 is a wasteful number, since it uses less digits than its factorization.

40204315420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030 (or 4028 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 40204315420 its reverse (2451340204), we get a palindrome (42655655624).

The spelling of 40204315420 in words is "forty billion, two hundred four million, three hundred fifteen thousand, four hundred twenty".