42494640946 has 8 divisors (see below), whose sum is σ = 63763084080. Its totient is φ = 21240279588.

The previous prime is 42494640943. The next prime is 42494640953. The reversal of 42494640946 is 64904649424.

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

It is a junction number, because it is equal to n+sod(n) for n = 42494640893 and 42494640902.

It is not an unprimeable number, because it can be changed into a prime (42494640943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512896 + ... + 3524971.

It is an arithmetic number, because the mean of its divisors is an integer number (7970385510).

Almost surely, 2^42494640946 is an apocalyptic number.

42494640946 is a deficient number, since it is larger than the sum of its proper divisors (21268443134).

42494640946 is a wasteful number, since it uses less digits than its factorization.

42494640946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040888.

The product of its (nonzero) digits is 5971968, while the sum is 52.

The spelling of 42494640946 in words is "forty-two billion, four hundred ninety-four million, six hundred forty thousand, nine hundred forty-six".