1051679340 has 72 divisors (see below), whose sum is σ = 3293017728. Its totient is φ = 271399680.

The previous prime is 1051679339. The next prime is 1051679341. The reversal of 1051679340 is 439761501.

1051679340 is a `hidden beast` number, since 10 + 516 + 7 + 93 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (1051679339) and next prime (1051679341).

It is a super-2 number, since 2×1051679340² = 2212058868365671200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1051679295 and 1051679304.

It is not an unprimeable number, because it can be changed into a prime (1051679341) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 88657 + ... + 99816.

Almost surely, 2^1051679340 is an apocalyptic number.

1051679340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051679340 is an abundant number, since it is smaller than the sum of its proper divisors (2241338388).

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

1051679340 is a wasteful number, since it uses less digits than its factorization.

1051679340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188519 (or 188514 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1051679340 is about 32429.6059180496. The cubic root of 1051679340 is about 1016.9379332878.

The spelling of 1051679340 in words is "one billion, fifty-one million, six hundred seventy-nine thousand, three hundred forty".