10406257420 has 48 divisors (see below), whose sum is σ = 23570906688. Its totient is φ = 3836309760.

The previous prime is 10406257343. The next prime is 10406257439. The reversal of 10406257420 is 2475260401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137290 + ... + 199150.

It is an arithmetic number, because the mean of its divisors is an integer number (491060556).

Almost surely, 2^10406257420 is an apocalyptic number.

10406257420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10406257420 is an abundant number, since it is smaller than the sum of its proper divisors (13164649268).

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

10406257420 is a wasteful number, since it uses less digits than its factorization.

10406257420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62530 (or 62528 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 10406257420 in words is "ten billion, four hundred six million, two hundred fifty-seven thousand, four hundred twenty".