40026253722520 has 64 divisors (see below), whose sum is σ = 100115294711040. Its totient is φ = 14302184947200.

The previous prime is 40026253722493. The next prime is 40026253722529. The reversal of 40026253722520 is 2522735262004.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026253722529) 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, 1241492991 + ... + 1241525230.

It is an arithmetic number, because the mean of its divisors is an integer number (1564301479860).

Almost surely, 2^{40026253722520} is an apocalyptic number.

40026253722520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40026253722520 is an abundant number, since it is smaller than the sum of its proper divisors (60089040988520).

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

40026253722520 is a wasteful number, since it uses less digits than its factorization.

40026253722520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483018276 (or 2483018272 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 40026253722520 its reverse (2522735262004), we get a palindrome (42548988984524).

The spelling of 40026253722520 in words is "forty trillion, twenty-six billion, two hundred fifty-three million, seven hundred twenty-two thousand, five hundred twenty".