40120420535004 has 12 divisors (see below), whose sum is σ = 93614314581704. Its totient is φ = 13373473511664.

The previous prime is 40120420534979. The next prime is 40120420535017. The reversal of 40120420535004 is 40053502402104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1671684188947 + ... + 1671684188970.

Almost surely, 2^{40120420535004} is an apocalyptic number.

It is an amenable number.

40120420535004 is an abundant number, since it is smaller than the sum of its proper divisors (53493894046700).

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

40120420535004 is a wasteful number, since it uses less digits than its factorization.

40120420535004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343368377924 (or 3343368377922 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40120420535004 its reverse (40053502402104), we get a palindrome (80173922937108).

The spelling of 40120420535004 in words is "forty trillion, one hundred twenty billion, four hundred twenty million, five hundred thirty-five thousand, four".