67400147540 has 48 divisors (see below), whose sum is σ = 154690167744. Its totient is φ = 24464294400.

The previous prime is 67400147539. The next prime is 67400147557. The reversal of 67400147540 is 4574100476.

It is a happy number.

67400147540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 67400147494 and 67400147503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159701 + ... + 400380.

It is an arithmetic number, because the mean of its divisors is an integer number (3222711828).

Almost surely, 2^67400147540 is an apocalyptic number.

It is an amenable number.

67400147540 is an abundant number, since it is smaller than the sum of its proper divisors (87290020204).

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

67400147540 is a wasteful number, since it uses less digits than its factorization.

67400147540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560648 (or 560646 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 67400147540 in words is "sixty-seven billion, four hundred million, one hundred forty-seven thousand, five hundred forty".