1055053240 has 32 divisors (see below), whose sum is σ = 2477083680. Its totient is φ = 403672192.

The previous prime is 1055053231. The next prime is 1055053273. The reversal of 1055053240 is 423505501.

It is a super-2 number, since 2×1055053240² = 2226274678468995200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572479 + ... + 574318.

It is an arithmetic number, because the mean of its divisors is an integer number (77408865).

Almost surely, 2^1055053240 is an apocalyptic number.

1055053240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055053240 is an abundant number, since it is smaller than the sum of its proper divisors (1422030440).

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

1055053240 is a wasteful number, since it uses less digits than its factorization.

1055053240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146831 (or 1146827 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1055053240 is about 32481.5830894986. The cubic root of 1055053240 is about 1018.0242543849.

Adding to 1055053240 its reverse (423505501), we get a palindrome (1478558741).

The spelling of 1055053240 in words is "one billion, fifty-five million, fifty-three thousand, two hundred forty".