612127340040 has 32 divisors (see below), whose sum is σ = 1836382020480. Its totient is φ = 163233957312.

The previous prime is 612127340023. The next prime is 612127340053. The reversal of 612127340040 is 40043721216.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550530464 + ... + 2550530703.

It is an arithmetic number, because the mean of its divisors is an integer number (57386938140).

Almost surely, 2^612127340040 is an apocalyptic number.

612127340040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612127340040 is an abundant number, since it is smaller than the sum of its proper divisors (1224254680440).

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

612127340040 is a wasteful number, since it uses less digits than its factorization.

612127340040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101061181 (or 5101061177 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 612127340040 in words is "six hundred twelve billion, one hundred twenty-seven million, three hundred forty thousand, forty".