101942400 has 384 divisors, whose sum is σ = 403724160. Its totient is φ = 22118400.

The previous prime is 101942381. The next prime is 101942413. The reversal of 101942400 is 4249101.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2486380 + ... + 2486420.

It is an arithmetic number, because the mean of its divisors is an integer number (1051365).

Almost surely, 2^101942400 is an apocalyptic number.

101942400 is a gapful number since it is divisible by the number (10) 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 101942400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201862080).

101942400 is an abundant number, since it is smaller than the sum of its proper divisors (301781760).

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

101942400 is a wasteful number, since it uses less digits than its factorization.

101942400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 101942400 is about 10096.6529107423. The cubic root of 101942400 is about 467.1449065578.

The spelling of 101942400 in words is "one hundred one million, nine hundred forty-two thousand, four hundred".