1045240740 has 48 divisors (see below), whose sum is σ = 3251861760. Its totient is φ = 278730720.

The previous prime is 1045240717. The next prime is 1045240741. The reversal of 1045240740 is 470425401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1045240741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967276 + ... + 968355.

It is an arithmetic number, because the mean of its divisors is an integer number (67747120).

Almost surely, 2^1045240740 is an apocalyptic number.

1045240740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045240740 is an abundant number, since it is smaller than the sum of its proper divisors (2206621020).

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

1045240740 is a wasteful number, since it uses less digits than its factorization.

1045240740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935649 (or 1935641 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 1045240740 is about 32330.1831111424. The cubic root of 1045240740 is about 1014.8583817234.

The spelling of 1045240740 in words is "one billion, forty-five million, two hundred forty thousand, seven hundred forty".