1049788740 has 432 divisors, whose sum is σ = 4065356736. Its totient is φ = 200471040.

The previous prime is 1049788697. The next prime is 1049788759. The reversal of 1049788740 is 478879401.

It is a super-2 number, since 2×1049788740² = 2204112797261575200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049788740.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4624507 + ... + 4624733.

It is an arithmetic number, because the mean of its divisors is an integer number (9410548).

Almost surely, 2^1049788740 is an apocalyptic number.

1049788740 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 1049788740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032678368).

1049788740 is an abundant number, since it is smaller than the sum of its proper divisors (3015567996).

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

1049788740 is a wasteful number, since it uses less digits than its factorization.

1049788740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1049788740 is about 32400.4435154829. The cubic root of 1049788740 is about 1016.3281859270.

The spelling of 1049788740 in words is "one billion, forty-nine million, seven hundred eighty-eight thousand, seven hundred forty".