1049640501 has 64 divisors (see below), whose sum is σ = 1803468800. Its totient is φ = 528145920.

The previous prime is 1049640479. The next prime is 1049640511. The reversal of 1049640501 is 1050469401.

It is a happy number.

It is not a de Polignac number, because 1049640501 - 2⁶ = 1049640437 is a prime.

It is a super-2 number, since 2×1049640501² = 2203490362679062002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049640511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 616950 + ... + 618648.

It is an arithmetic number, because the mean of its divisors is an integer number (28179200).

Almost surely, 2^1049640501 is an apocalyptic number.

It is an amenable number.

1049640501 is a deficient number, since it is larger than the sum of its proper divisors (753828299).

1049640501 is a wasteful number, since it uses less digits than its factorization.

1049640501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1049640501 is about 32398.1558271455. The cubic root of 1049640501 is about 1016.2803456457.

The spelling of 1049640501 in words is "one billion, forty-nine million, six hundred forty thousand, five hundred one".