40470542 has 8 divisors (see below), whose sum is σ = 69378096. Its totient is φ = 17344512.

The previous prime is 40470533. The next prime is 40470553. The reversal of 40470542 is 24507404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445363 + ... + 1445390.

It is an arithmetic number, because the mean of its divisors is an integer number (8672262).

Almost surely, 2^40470542 is an apocalyptic number.

40470542 is a deficient number, since it is larger than the sum of its proper divisors (28907554).

40470542 is a wasteful number, since it uses less digits than its factorization.

40470542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890762.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 40470542 is about 6361.6461706071. The cubic root of 40470542 is about 343.3309908618.

Adding to 40470542 its reverse (24507404), we get a palindrome (64977946).

The spelling of 40470542 in words is "forty million, four hundred seventy thousand, five hundred forty-two".