53262522678240 has 384 divisors, whose sum is σ = 190074829392000. Its totient is φ = 13925178408960.

The previous prime is 53262522678223. The next prime is 53262522678347. The reversal of 53262522678240 is 4287622526235.

It is a happy number.

53262522678240 is a `hidden beast` number, since 5 + 3 + 2 + 6 + 2 + 522 + 6 + 78 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 316109536 + ... + 316277984.

It is an arithmetic number, because the mean of its divisors is an integer number (494986534875).

Almost surely, 2^{53262522678240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53262522678240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95037414696000).

53262522678240 is an abundant number, since it is smaller than the sum of its proper divisors (136812306713760).

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

53262522678240 is a wasteful number, since it uses less digits than its factorization.

53262522678240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169907 (or 169893 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 54.

The spelling of 53262522678240 in words is "fifty-three trillion, two hundred sixty-two billion, five hundred twenty-two million, six hundred seventy-eight thousand, two hundred forty".