40252245042020 has 96 divisors (see below), whose sum is σ = 92843298576000. Its totient is φ = 14537576079360.

The previous prime is 40252245042019. The next prime is 40252245042047. The reversal of 40252245042020 is 2024054225204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25254731 + ... + 26801229.

It is an arithmetic number, because the mean of its divisors is an integer number (967117693500).

Almost surely, 2^{40252245042020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40252245042020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46421649288000).

40252245042020 is an abundant number, since it is smaller than the sum of its proper divisors (52591053533980).

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

40252245042020 is a wasteful number, since it uses less digits than its factorization.

40252245042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547325 (or 1547323 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 40252245042020 its reverse (2024054225204), we get a palindrome (42276299267224).

The spelling of 40252245042020 in words is "forty trillion, two hundred fifty-two billion, two hundred forty-five million, forty-two thousand, twenty".