40097801250 has 320 divisors, whose sum is σ = 122023440000. Its totient is φ = 9696672000.

The previous prime is 40097801243. The next prime is 40097801257. The reversal of 40097801250 is 5210879004.

It is an interprime number because it is at equal distance from previous prime (40097801243) and next prime (40097801257).

It is not an unprimeable number, because it can be changed into a prime (40097801257) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 25885476 + ... + 25887024.

It is an arithmetic number, because the mean of its divisors is an integer number (381323250).

Almost surely, 2^40097801250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40097801250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61011720000).

40097801250 is an abundant number, since it is smaller than the sum of its proper divisors (81925638750).

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

40097801250 is a wasteful number, since it uses less digits than its factorization.

40097801250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 40097801250 in words is "forty billion, ninety-seven million, eight hundred one thousand, two hundred fifty".