401617542 has 8 divisors (see below), whose sum is σ = 803235096. Its totient is φ = 133872512.

The previous prime is 401617529. The next prime is 401617553. The reversal of 401617542 is 245716104.

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

401617542 is an admirable number.

It is a super-2 number, since 2×401617542² = 322593300084243528, which contains 22 as substring.

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, 33468123 + ... + 33468134.

It is an arithmetic number, because the mean of its divisors is an integer number (100404387).

Almost surely, 2^401617542 is an apocalyptic number.

401617542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

401617542 is a wasteful number, since it uses less digits than its factorization.

401617542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66936262.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 401617542 is about 20040.3977505438. The cubic root of 401617542 is about 737.7981432497.

The spelling of 401617542 in words is "four hundred one million, six hundred seventeen thousand, five hundred forty-two".