6425156320 has 192 divisors, whose sum is σ = 17191367424. Its totient is φ = 2248888320.

The previous prime is 6425156293. The next prime is 6425156321. The reversal of 6425156320 is 236515246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425156321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5524059 + ... + 5525221.

It is an arithmetic number, because the mean of its divisors is an integer number (89538372).

Almost surely, 2^6425156320 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 6425156320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8595683712).

6425156320 is an abundant number, since it is smaller than the sum of its proper divisors (10766211104).

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

6425156320 is a wasteful number, since it uses less digits than its factorization.

6425156320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 6425156320 is about 80157.0728008452. The cubic root of 6425156320 is about 1859.0649634120.

The spelling of 6425156320 in words is "six billion, four hundred twenty-five million, one hundred fifty-six thousand, three hundred twenty".