1049706540 has 144 divisors (see below), whose sum is σ = 3379504128. Its totient is φ = 273357504.

The previous prime is 1049706523. The next prime is 1049706551. The reversal of 1049706540 is 456079401.

1049706540 is a `hidden beast` number, since 1 + 0 + 49 + 70 + 6 + 540 = 666.

It is a super-2 number, since 2×1049706540² = 2203767640237543200, 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 = 1049706495 and 1049706504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206469 + ... + 211491.

Almost surely, 2^1049706540 is an apocalyptic number.

1049706540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049706540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1689752064).

1049706540 is an abundant number, since it is smaller than the sum of its proper divisors (2329797588).

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

1049706540 is a wasteful number, since it uses less digits than its factorization.

1049706540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090 (or 5076 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1049706540 is about 32399.1749894963. The cubic root of 1049706540 is about 1016.3016585714.

The spelling of 1049706540 in words is "one billion, forty-nine million, seven hundred six thousand, five hundred forty".