10278464 has 28 divisors (see below), whose sum is σ = 23311104. Its totient is φ = 4404864.

The previous prime is 10278461. The next prime is 10278481. The reversal of 10278464 is 46487201.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 10278464.

It is not an unprimeable number, because it can be changed into a prime (10278461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11024 + ... + 11919.

Almost surely, 2^10278464 is an apocalyptic number.

10278464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10278464 is an abundant number, since it is smaller than the sum of its proper divisors (13032640).

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

10278464 is an equidigital number, since it uses as much as digits as its factorization.

10278464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22962 (or 22952 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 10278464 is about 3206.0043668093. The cubic root of 10278464 is about 217.4249637667.

The spelling of 10278464 in words is "ten million, two hundred seventy-eight thousand, four hundred sixty-four".