1374004040 has 16 divisors (see below), whose sum is σ = 3091509180. Its totient is φ = 549601600.

The previous prime is 1374004033. The next prime is 1374004043. The reversal of 1374004040 is 404004731.

It can be written as a sum of positive squares in 2 ways, for example, as 1309137124 + 64866916 = 36182^2 + 8054^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1374003997 and 1374004015.

It is not an unprimeable number, because it can be changed into a prime (1374004043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17175011 + ... + 17175090.

Almost surely, 2^1374004040 is an apocalyptic number.

1374004040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1374004040 is an abundant number, since it is smaller than the sum of its proper divisors (1717505140).

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

1374004040 is a wasteful number, since it uses less digits than its factorization.

1374004040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34350112 (or 34350108 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 1374004040 is about 37067.5604808301. The cubic root of 1374004040 is about 1111.7214961664.

Adding to 1374004040 its reverse (404004731), we get a palindrome (1778008771).

The spelling of 1374004040 in words is "one billion, three hundred seventy-four million, four thousand, forty".