1497418650 has 480 divisors, whose sum is σ = 5444651520. Its totient is φ = 296110080.

The previous prime is 1497418639. The next prime is 1497418651. The reversal of 1497418650 is 568147941.

It is a super-2 number, since 2×1497418650² = 4484525226735645000, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1497418596 and 1497418605.

It is not an unprimeable number, because it can be changed into a prime (1497418651) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6265231 + ... + 6265469.

It is an arithmetic number, because the mean of its divisors is an integer number (11343024).

Almost surely, 2^1497418650 is an apocalyptic number.

1497418650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497418650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2722325760).

1497418650 is an abundant number, since it is smaller than the sum of its proper divisors (3947232870).

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

1497418650 is a wasteful number, since it uses less digits than its factorization.

1497418650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1497418650 is about 38696.4940272371. The cubic root of 1497418650 is about 1144.0572192720.

The spelling of 1497418650 in words is "one billion, four hundred ninety-seven million, four hundred eighteen thousand, six hundred fifty".