40660604604240 has 40 divisors (see below), whose sum is σ = 126047874273888. Its totient is φ = 10842827894400.

The previous prime is 40660604604239. The next prime is 40660604604241. The reversal of 40660604604240 is 4240640606604.

It is an interprime number because it is at equal distance from previous prime (40660604604239) and next prime (40660604604241).

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 40660604604192 and 40660604604201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40660604604241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84709592686 + ... + 84709593165.

Almost surely, 2^{40660604604240} is an apocalyptic number.

40660604604240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40660604604240 is an abundant number, since it is smaller than the sum of its proper divisors (85387269669648).

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

40660604604240 is a wasteful number, since it uses less digits than its factorization.

40660604604240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169419185867 (or 169419185861 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 40660604604240 in words is "forty trillion, six hundred sixty billion, six hundred four million, six hundred four thousand, two hundred forty".