67938587485440 has 288 divisors, whose sum is σ = 255975068246016. Its totient is φ = 15027890135040.

The previous prime is 67938587485427. The next prime is 67938587485453. The reversal of 67938587485440 is 4458478583976.

It is an interprime number because it is at equal distance from previous prime (67938587485427) and next prime (67938587485453).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39932482 + ... + 41599041.

Almost surely, 2^{67938587485440} is an apocalyptic number.

67938587485440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

67938587485440 is an abundant number, since it is smaller than the sum of its proper divisors (188036480760576).

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

67938587485440 is a wasteful number, since it uses less digits than its factorization.

67938587485440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81531585 (or 81531571 counting only the distinct ones).

The product of its (nonzero) digits is 6502809600, while the sum is 78.

The spelling of 67938587485440 in words is "sixty-seven trillion, nine hundred thirty-eight billion, five hundred eighty-seven million, four hundred eighty-five thousand, four hundred forty".