42601380 has 24 divisors (see below), whose sum is σ = 119284032. Its totient is φ = 11360352.

The previous prime is 42601367. The next prime is 42601381. The reversal of 42601380 is 8310624.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42601380.

It is not an unprimeable number, because it can be changed into a prime (42601381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354952 + ... + 355071.

It is an arithmetic number, because the mean of its divisors is an integer number (4970168).

Almost surely, 2^42601380 is an apocalyptic number.

It is an amenable number.

42601380 is an abundant number, since it is smaller than the sum of its proper divisors (76682652).

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

42601380 is a wasteful number, since it uses less digits than its factorization.

42601380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710035 (or 710033 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42601380 is about 6526.9732648449. The cubic root of 42601380 is about 349.2538662969.

The spelling of 42601380 in words is "forty-two million, six hundred one thousand, three hundred eighty".