42608449972 has 48 divisors (see below), whose sum is σ = 82728172800. Its totient is φ = 19039887360.

The previous prime is 42608449951. The next prime is 42608449993. The reversal of 42608449972 is 27994480624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42608449951) and next prime (42608449993).

It is a congruent number.

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, 783604 + ... + 836212.

It is an arithmetic number, because the mean of its divisors is an integer number (1723503600).

Almost surely, 2^42608449972 is an apocalyptic number.

It is an amenable number.

42608449972 is a deficient number, since it is larger than the sum of its proper divisors (40119722828).

42608449972 is a wasteful number, since it uses less digits than its factorization.

42608449972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52936 (or 52934 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 42608449972 in words is "forty-two billion, six hundred eight million, four hundred forty-nine thousand, nine hundred seventy-two".