1436380740 has 36 divisors (see below), whose sum is σ = 4357022124. Its totient is φ = 383034816.

The previous prime is 1436380727. The next prime is 1436380787. The reversal of 1436380740 is 470836341.

1436380740 is a `hidden beast` number, since 14 + 3 + 638 + 0 + 7 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 721567044 + 714813696 = 26862^2 + 26736^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1436380695 and 1436380704.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3989767 + ... + 3990126.

Almost surely, 2^1436380740 is an apocalyptic number.

1436380740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1436380740 is an abundant number, since it is smaller than the sum of its proper divisors (2920641384).

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

1436380740 is a wasteful number, since it uses less digits than its factorization.

1436380740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979908 (or 7979903 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1436380740 is about 37899.6139822030. The cubic root of 1436380740 is about 1128.2963703670.

The spelling of 1436380740 in words is "one billion, four hundred thirty-six million, three hundred eighty thousand, seven hundred forty".