19132040 has 32 divisors (see below), whose sum is σ = 43758360. Its totient is φ = 7526400.

The previous prime is 19132039. The next prime is 19132073. The reversal of 19132040 is 4023191.

It can be written as a sum of positive squares in 4 ways, for example, as 8491396 + 10640644 = 2914^2 + 3262^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481 + ... + 6360.

Almost surely, 2^19132040 is an apocalyptic number.

19132040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19132040 is an abundant number, since it is smaller than the sum of its proper divisors (24626320).

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

19132040 is a wasteful number, since it uses less digits than its factorization.

19132040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7913 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 19132040 is about 4374.0187471020. The cubic root of 19132040 is about 267.4568713768.

The spelling of 19132040 in words is "nineteen million, one hundred thirty-two thousand, forty".