40020232031032 has 64 divisors (see below), whose sum is σ = 82081413872640. Its totient is φ = 18141781680000.

The previous prime is 40020232030979. The next prime is 40020232031033. The reversal of 40020232031032 is 23013023202004.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40020232030994 and 40020232031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020232031033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47629498 + ... + 48462454.

It is an arithmetic number, because the mean of its divisors is an integer number (1282522091760).

Almost surely, 2^{40020232031032} is an apocalyptic number.

It is an amenable number.

40020232031032 is an abundant number, since it is smaller than the sum of its proper divisors (42061181841608).

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

40020232031032 is a wasteful number, since it uses less digits than its factorization.

40020232031032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834452 (or 834448 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40020232031032 its reverse (23013023202004), we get a palindrome (63033255233036).

The spelling of 40020232031032 in words is "forty trillion, twenty billion, two hundred thirty-two million, thirty-one thousand, thirty-two".