1055276390 has 32 divisors (see below), whose sum is σ = 2172248064. Its totient is φ = 361576800.

The previous prime is 1055276357. The next prime is 1055276407. The reversal of 1055276390 is 936725501.

It is a happy number.

It is a super-2 number, since 2×1055276390² = 2227216518582864200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132707 + ... + 140433.

It is an arithmetic number, because the mean of its divisors is an integer number (67882752).

Almost surely, 2^1055276390 is an apocalyptic number.

1055276390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055276390 is an abundant number, since it is smaller than the sum of its proper divisors (1116971674).

1055276390 is a wasteful number, since it uses less digits than its factorization.

1055276390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 1055276390 is about 32485.0179313480. The cubic root of 1055276390 is about 1018.0960220422.

The spelling of 1055276390 in words is "one billion, fifty-five million, two hundred seventy-six thousand, three hundred ninety".