40252020000 has 120 divisors (see below), whose sum is σ = 132034872816. Its totient is φ = 10733856000.

The previous prime is 40252019887. The next prime is 40252020043. The reversal of 40252020000 is 2025204.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×40252020000² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 275434 + ... + 395433.

Almost surely, 2^40252020000 is an apocalyptic number.

40252020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40252020000 is an abundant number, since it is smaller than the sum of its proper divisors (91782852816).

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

40252020000 is an equidigital number, since it uses as much as digits as its factorization.

40252020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670900 (or 670877 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 40252020000 its reverse (2025204), we get a palindrome (40254045204).

The spelling of 40252020000 in words is "forty billion, two hundred fifty-two million, twenty thousand".