10454642646 has 24 divisors (see below), whose sum is σ = 24323046840. Its totient is φ = 2987040672.

The previous prime is 10454642623. The next prime is 10454642689. The reversal of 10454642646 is 64624645401.

10454642646 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 10454642598 and 10454642607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17779711 + ... + 17780298.

It is an arithmetic number, because the mean of its divisors is an integer number (1013460285).

Almost surely, 2^10454642646 is an apocalyptic number.

10454642646 is an abundant number, since it is smaller than the sum of its proper divisors (13868404194).

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

10454642646 is a wasteful number, since it uses less digits than its factorization.

10454642646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35560028 (or 35560021 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 10454642646 in words is "ten billion, four hundred fifty-four million, six hundred forty-two thousand, six hundred forty-six".