4140645040 has 60 divisors (see below), whose sum is σ = 11198765376. Its totient is φ = 1419648384.

The previous prime is 4140645023. The next prime is 4140645049. The reversal of 4140645040 is 405460414.

It is a super-3 number, since 3×4140645040³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (4140645049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524224 + ... + 532063.

Almost surely, 2^4140645040 is an apocalyptic number.

4140645040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4140645040 is an abundant number, since it is smaller than the sum of its proper divisors (7058120336).

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

4140645040 is a wasteful number, since it uses less digits than its factorization.

4140645040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056314 (or 1056301 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 4140645040 is about 64347.8440975298. The cubic root of 4140645040 is about 1605.7921627295.

The spelling of 4140645040 in words is "four billion, one hundred forty million, six hundred forty-five thousand, forty".