1497162240 has 240 divisors, whose sum is σ = 5926459968. Its totient is φ = 342171648.

The previous prime is 1497162221. The next prime is 1497162269. The reversal of 1497162240 is 422617941.

It is a happy number.

1497162240 is a `hidden beast` number, since 1 + 497 + 162 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1497162195 and 1497162204.

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, 156639 + ... + 165921.

Almost surely, 2^1497162240 is an apocalyptic number.

1497162240 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 1497162240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2963229984).

1497162240 is an abundant number, since it is smaller than the sum of its proper divisors (4429297728).

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

1497162240 is an equidigital number, since it uses as much as digits as its factorization.

1497162240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9319 (or 9300 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1497162240 is about 38693.1807945535. The cubic root of 1497162240 is about 1143.9919147879.

The spelling of 1497162240 in words is "one billion, four hundred ninety-seven million, one hundred sixty-two thousand, two hundred forty".