1500863040 has 224 divisors, whose sum is σ = 5322539520. Its totient is φ = 398131200.

The previous prime is 1500863033. The next prime is 1500863051. The reversal of 1500863040 is 403680051.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1500862995 and 1500863013.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2341120 + ... + 2341760.

Almost surely, 2^1500863040 is an apocalyptic number.

1500863040 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 1500863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661269760).

1500863040 is an abundant number, since it is smaller than the sum of its proper divisors (3821676480).

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

1500863040 is a wasteful number, since it uses less digits than its factorization.

1500863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1500863040 is about 38740.9736583891. The cubic root of 1500863040 is about 1144.9337413906.

The spelling of 1500863040 in words is "one billion, five hundred million, eight hundred sixty-three thousand, forty".