1051402646 has 16 divisors (see below), whose sum is σ = 1806429600. Its totient is φ = 449594880.

The previous prime is 1051402637. The next prime is 1051402697. The reversal of 1051402646 is 6462041501.

It is a super-2 number, since 2×1051402646² = 2210895048031602632, 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, 77345 + ... + 89916.

It is an arithmetic number, because the mean of its divisors is an integer number (112901850).

Almost surely, 2^1051402646 is an apocalyptic number.

1051402646 is a deficient number, since it is larger than the sum of its proper divisors (755026954).

1051402646 is a wasteful number, since it uses less digits than its factorization.

1051402646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167719.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1051402646 is about 32425.3395664564. The cubic root of 1051402646 is about 1016.8487409221.

The spelling of 1051402646 in words is "one billion, fifty-one million, four hundred two thousand, six hundred forty-six".