1240916494 has 8 divisors (see below), whose sum is σ = 1866287160. Its totient is φ = 618820776.

The previous prime is 1240916459. The next prime is 1240916569. The reversal of 1240916494 is 4946190421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817789 + ... + 819304.

It is an arithmetic number, because the mean of its divisors is an integer number (233285895).

Almost surely, 2^1240916494 is an apocalyptic number.

1240916494 is a deficient number, since it is larger than the sum of its proper divisors (625370666).

1240916494 is a wasteful number, since it uses less digits than its factorization.

1240916494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637474.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1240916494 is about 35226.6446599729. The cubic root of 1240916494 is about 1074.6016895368.

The spelling of 1240916494 in words is "one billion, two hundred forty million, nine hundred sixteen thousand, four hundred ninety-four".