2551485479830 has 64 divisors (see below), whose sum is σ = 5299037314560. Its totient is φ = 866420907264.

The previous prime is 2551485479821. The next prime is 2551485479833. The reversal of 2551485479830 is 389745841552.

It is a happy number.

It is a super-3 number, since 3×2551485479830³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551485479833) 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, 34739386 + ... + 34812754.

It is an arithmetic number, because the mean of its divisors is an integer number (82797458040).

Almost surely, 2^{2551485479830} is an apocalyptic number.

2551485479830 is an abundant number, since it is smaller than the sum of its proper divisors (2747551834730).

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

2551485479830 is a wasteful number, since it uses less digits than its factorization.

2551485479830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78133.

The product of its (nonzero) digits is 48384000, while the sum is 61.

The spelling of 2551485479830 in words is "two trillion, five hundred fifty-one billion, four hundred eighty-five million, four hundred seventy-nine thousand, eight hundred thirty".