1074640540 has 24 divisors (see below), whose sum is σ = 2257792992. Its totient is φ = 429656640.

The previous prime is 1074640531. The next prime is 1074640549. The reversal of 1074640540 is 450464701.

It is an interprime number because it is at equal distance from previous prime (1074640531) and next prime (1074640549).

It is a super-2 number, since 2×1074640540² = 2309704580422983200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074640549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36337 + ... + 58903.

It is an arithmetic number, because the mean of its divisors is an integer number (94074708).

Almost surely, 2^1074640540 is an apocalyptic number.

1074640540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074640540 is an abundant number, since it is smaller than the sum of its proper divisors (1183152452).

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

1074640540 is a wasteful number, since it uses less digits than its factorization.

1074640540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24957 (or 24955 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1074640540 is about 32781.7104495784. The cubic root of 1074640540 is about 1024.2856144512.

The spelling of 1074640540 in words is "one billion, seventy-four million, six hundred forty thousand, five hundred forty".