7953800400 has 480 divisors, whose sum is σ = 34846936320. Its totient is φ = 1677957120.

The previous prime is 7953800383. The next prime is 7953800411. The reversal of 7953800400 is 40083597.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 978754 + ... + 986846.

It is an arithmetic number, because the mean of its divisors is an integer number (72597784).

Almost surely, 2^7953800400 is an apocalyptic number.

7953800400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7953800400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17423468160).

7953800400 is an abundant number, since it is smaller than the sum of its proper divisors (26893135920).

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

7953800400 is a wasteful number, since it uses less digits than its factorization.

7953800400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8140 (or 8123 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 7953800400 is about 89184.0815392523. The cubic root of 7953800400 is about 1996.1425983426.

Adding to 7953800400 its reverse (40083597), we get a palindrome (7993883997).

The spelling of 7953800400 in words is "seven billion, nine hundred fifty-three million, eight hundred thousand, four hundred".