1497218490 has 48 divisors (see below), whose sum is σ = 3894853248. Its totient is φ = 399044448.

The previous prime is 1497218483. The next prime is 1497218531. The reversal of 1497218490 is 948127941.

It is a happy number.

1497218490 is a `hidden beast` number, since 149 + 7 + 2 + 18 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236547 + ... + 242793.

It is an arithmetic number, because the mean of its divisors is an integer number (81142776).

Almost surely, 2^1497218490 is an apocalyptic number.

1497218490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1497218490 is an abundant number, since it is smaller than the sum of its proper divisors (2397634758).

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

1497218490 is a wasteful number, since it uses less digits than its factorization.

1497218490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923 (or 8920 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1497218490 is about 38693.9076599922. The cubic root of 1497218490 is about 1144.0062416118.

The spelling of 1497218490 in words is "one billion, four hundred ninety-seven million, two hundred eighteen thousand, four hundred ninety".