1049976540 has 48 divisors (see below), whose sum is σ = 3266595360. Its totient is φ = 279993600.

The previous prime is 1049976517. The next prime is 1049976563. The reversal of 1049976540 is 456799401.

1049976540 is a `hidden beast` number, since 10 + 4 + 9 + 97 + 6 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (1049976517) and next prime (1049976563).

It is a super-2 number, since 2×1049976540² = 2204901469100743200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 971661 + ... + 972740.

It is an arithmetic number, because the mean of its divisors is an integer number (68054070).

Almost surely, 2^1049976540 is an apocalyptic number.

1049976540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049976540 is an abundant number, since it is smaller than the sum of its proper divisors (2216618820).

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

1049976540 is a wasteful number, since it uses less digits than its factorization.

1049976540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944419 (or 1944411 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1049976540 is about 32403.3414943583. The cubic root of 1049976540 is about 1016.3887870256.

The spelling of 1049976540 in words is "one billion, forty-nine million, nine hundred seventy-six thousand, five hundred forty".