1497943040 has 88 divisors (see below), whose sum is σ = 3920119632. Its totient is φ = 544686080.

The previous prime is 1497942989. The next prime is 1497943171. The reversal of 1497943040 is 403497941.

It is a tau number, because it is divible by the number of its divisors (88).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43022 + ... + 69618.

It is an arithmetic number, because the mean of its divisors is an integer number (44546814).

Almost surely, 2^1497943040 is an apocalyptic number.

1497943040 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 1497943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960059816).

1497943040 is an abundant number, since it is smaller than the sum of its proper divisors (2422176592).

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

1497943040 is a wasteful number, since it uses less digits than its factorization.

1497943040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26633 (or 26615 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 1497943040 is about 38703.2691125698. The cubic root of 1497943040 is about 1144.1907517675.

The spelling of 1497943040 in words is "one billion, four hundred ninety-seven million, nine hundred forty-three thousand, forty".