1051840278 has 24 divisors (see below), whose sum is σ = 2378074608. Its totient is φ = 335369232.

The previous prime is 1051840277. The next prime is 1051840297. The reversal of 1051840278 is 8720481501.

It is a super-2 number, since 2×1051840278² = 2212735940846234568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051840277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1269925 + ... + 1270752.

It is an arithmetic number, because the mean of its divisors is an integer number (99086442).

Almost surely, 2^1051840278 is an apocalyptic number.

1051840278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1051840278 is an abundant number, since it is smaller than the sum of its proper divisors (1326234330).

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

1051840278 is a wasteful number, since it uses less digits than its factorization.

1051840278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540708 (or 2540705 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1051840278 is about 32432.0871668784. The cubic root of 1051840278 is about 1016.9898044882.

The spelling of 1051840278 in words is "one billion, fifty-one million, eight hundred forty thousand, two hundred seventy-eight".