1936630540 has 24 divisors (see below), whose sum is σ = 4379765040. Its totient is φ = 715063488.

The previous prime is 1936630523. The next prime is 1936630541. The reversal of 1936630540 is 450366391.

It is a self number, because there is not a number n which added to its sum of digits gives 1936630540.

It is not an unprimeable number, because it can be changed into a prime (1936630541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724030 + ... + 3724549.

It is an arithmetic number, because the mean of its divisors is an integer number (182490210).

Almost surely, 2^1936630540 is an apocalyptic number.

1936630540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1936630540 is an abundant number, since it is smaller than the sum of its proper divisors (2443134500).

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

1936630540 is a wasteful number, since it uses less digits than its factorization.

1936630540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7448601 (or 7448599 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1936630540 is about 44007.1646439531. The cubic root of 1936630540 is about 1246.4712294636.

The spelling of 1936630540 in words is "one billion, nine hundred thirty-six million, six hundred thirty thousand, five hundred forty".