126423404601440 has 96 divisors (see below), whose sum is σ = 313402301210880. Its totient is φ = 48100466343424.

The previous prime is 126423404601409. The next prime is 126423404601449. The reversal of 126423404601440 is 44106404324621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126423404601449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95302694 + ... + 96620133.

It is an arithmetic number, because the mean of its divisors is an integer number (3264607304280).

Almost surely, 2^{126423404601440} is an apocalyptic number.

126423404601440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126423404601440 is an abundant number, since it is smaller than the sum of its proper divisors (186978896609440).

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

126423404601440 is a wasteful number, since it uses less digits than its factorization.

126423404601440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191923044 (or 191923036 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 126423404601440 in words is "one hundred twenty-six trillion, four hundred twenty-three billion, four hundred four million, six hundred one thousand, four hundred forty".