1494937240 has 64 divisors (see below), whose sum is σ = 3500884800. Its totient is φ = 573823488.

The previous prime is 1494937237. The next prime is 1494937267. The reversal of 1494937240 is 427394941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189862 + ... + 197578.

It is an arithmetic number, because the mean of its divisors is an integer number (54701325).

Almost surely, 2^1494937240 is an apocalyptic number.

1494937240 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 1494937240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750442400).

1494937240 is an abundant number, since it is smaller than the sum of its proper divisors (2005947560).

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

1494937240 is a wasteful number, since it uses less digits than its factorization.

1494937240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924 (or 7920 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1494937240 is about 38664.4182679631. The cubic root of 1494937240 is about 1143.4249212406.

The spelling of 1494937240 in words is "one billion, four hundred ninety-four million, nine hundred thirty-seven thousand, two hundred forty".