42541740 has 48 divisors (see below), whose sum is σ = 132353760. Its totient is φ = 11344320.

The previous prime is 42541729. The next prime is 42541777. The reversal of 42541740 is 4714524.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38851 + ... + 39930.

It is an arithmetic number, because the mean of its divisors is an integer number (2757370).

Almost surely, 2^42541740 is an apocalyptic number.

It is an amenable number.

42541740 is an abundant number, since it is smaller than the sum of its proper divisors (89812020).

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

42541740 is a wasteful number, since it uses less digits than its factorization.

42541740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78799 (or 78791 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 42541740 is about 6522.4029314356. The cubic root of 42541740 is about 349.0908103249.

The spelling of 42541740 in words is "forty-two million, five hundred forty-one thousand, seven hundred forty".