42645103142400 has 720 divisors, whose sum is σ = 170989042683888. Its totient is φ = 10058784768000.

The previous prime is 42645103142333. The next prime is 42645103142423. The reversal of 42645103142400 is 424130154624.

42645103142400 is a `hidden beast` number, since 4 + 2 + 6 + 4 + 5 + 103 + 142 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46431630 + ... + 47341170.

Almost surely, 2^{42645103142400} is an apocalyptic number.

42645103142400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42645103142400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85494521341944).

42645103142400 is an abundant number, since it is smaller than the sum of its proper divisors (128343939541488).

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

42645103142400 is a wasteful number, since it uses less digits than its factorization.

42645103142400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909623 (or 909599 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 42645103142400 in words is "forty-two trillion, six hundred forty-five billion, one hundred three million, one hundred forty-two thousand, four hundred".