40204121024 has 14 divisors (see below), whose sum is σ = 79780052784. Its totient is φ = 20102060480.

The previous prime is 40204121017. The next prime is 40204121047. The reversal of 40204121024 is 42012140204.

It is a junction number, because it is equal to n+sod(n) for n = 40204120987 and 40204121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314094632 + ... + 314094759.

Almost surely, 2^40204121024 is an apocalyptic number.

It is an amenable number.

40204121024 is a deficient number, since it is larger than the sum of its proper divisors (39575931760).

40204121024 is an equidigital number, since it uses as much as digits as its factorization.

40204121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628189403 (or 628189393 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40204121024 its reverse (42012140204), we get a palindrome (82216261228).

The spelling of 40204121024 in words is "forty billion, two hundred four million, one hundred twenty-one thousand, twenty-four".