40525031020 has 12 divisors (see below), whose sum is σ = 85102565184. Its totient is φ = 16210012400.

The previous prime is 40525030981. The next prime is 40525031021. The reversal of 40525031020 is 2013052504.

It is a junction number, because it is equal to n+sod(n) for n = 40525030982 and 40525031000.

It is not an unprimeable number, because it can be changed into a prime (40525031021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013125756 + ... + 1013125795.

It is an arithmetic number, because the mean of its divisors is an integer number (7091880432).

Almost surely, 2^40525031020 is an apocalyptic number.

It is an amenable number.

40525031020 is an abundant number, since it is smaller than the sum of its proper divisors (44577534164).

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

40525031020 is a wasteful number, since it uses less digits than its factorization.

40525031020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026251560 (or 2026251558 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 40525031020 its reverse (2013052504), we get a palindrome (42538083524).

The spelling of 40525031020 in words is "forty billion, five hundred twenty-five million, thirty-one thousand, twenty".