42453760 has 72 divisors (see below), whose sum is σ = 107726976. Its totient is φ = 15974400.

The previous prime is 42453751. The next prime is 42453769. The reversal of 42453760 is 6735424.

It is an interprime number because it is at equal distance from previous prime (42453751) and next prime (42453769).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (42453769) 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, 20785 + ... + 22735.

It is an arithmetic number, because the mean of its divisors is an integer number (1496208).

Almost surely, 2^42453760 is an apocalyptic number.

42453760 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 42453760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53863488).

42453760 is an abundant number, since it is smaller than the sum of its proper divisors (65273216).

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

42453760 is a wasteful number, since it uses less digits than its factorization.

42453760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 42453760 is about 6515.6549939358. The cubic root of 42453760 is about 348.8499942367.

The spelling of 42453760 in words is "forty-two million, four hundred fifty-three thousand, seven hundred sixty".