1055402340 has 48 divisors (see below), whose sum is σ = 2962249920. Its totient is φ = 280762240.

The previous prime is 1055402333. The next prime is 1055402407. The reversal of 1055402340 is 432045501.

1055402340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055402340² = 2227748198554951200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055402340.

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, 4150 + ... + 46130.

It is an arithmetic number, because the mean of its divisors is an integer number (61713540).

Almost surely, 2^1055402340 is an apocalyptic number.

1055402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055402340 is an abundant number, since it is smaller than the sum of its proper divisors (1906847580).

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

1055402340 is a wasteful number, since it uses less digits than its factorization.

1055402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42412 (or 42410 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1055402340 is about 32486.9564594777. The cubic root of 1055402340 is about 1018.1365245728.

Adding to 1055402340 its reverse (432045501), we get a palindrome (1487447841).

It can be divided in two parts, 105540 and 2340, that added together give a triangular number (107880 = T₄₆₄).

The spelling of 1055402340 in words is "one billion, fifty-five million, four hundred two thousand, three hundred forty".