42402010320 has 120 divisors (see below), whose sum is σ = 142496105856. Its totient is φ = 11299578624.

The previous prime is 42402010297. The next prime is 42402010331. The reversal of 42402010320 is 2301020424.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42402010293 and 42402010302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1091877 + ... + 1130043.

Almost surely, 2^42402010320 is an apocalyptic number.

42402010320 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 42402010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71248052928).

42402010320 is an abundant number, since it is smaller than the sum of its proper divisors (100094095536).

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

42402010320 is a wasteful number, since it uses less digits than its factorization.

42402010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39729 (or 39720 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 42402010320 its reverse (2301020424), we get a palindrome (44703030744).

The spelling of 42402010320 in words is "forty-two billion, four hundred two million, ten thousand, three hundred twenty".