1495236640 has 48 divisors (see below), whose sum is σ = 3646460160. Its totient is φ = 578799360.

The previous prime is 1495236619. The next prime is 1495236643. The reversal of 1495236640 is 466325941.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1495236593 and 1495236602.

It is not an unprimeable number, because it can be changed into a prime (1495236643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145770 + ... + 155689.

It is an arithmetic number, because the mean of its divisors is an integer number (75967920).

Almost surely, 2^1495236640 is an apocalyptic number.

1495236640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1495236640 is an abundant number, since it is smaller than the sum of its proper divisors (2151223520).

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

1495236640 is a wasteful number, since it uses less digits than its factorization.

1495236640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301505 (or 301497 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 1495236640 is about 38668.2898509877. The cubic root of 1495236640 is about 1143.5012496555.

The spelling of 1495236640 in words is "one billion, four hundred ninety-five million, two hundred thirty-six thousand, six hundred forty".