481138402 has 8 divisors (see below), whose sum is σ = 723788496. Its totient is φ = 239875572.

The previous prime is 481138381. The next prime is 481138409. The reversal of 481138402 is 204831184.

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

It is a super-2 number, since 2×481138402² = 462988323758227208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481138409) 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, 345948 + ... + 347335.

It is an arithmetic number, because the mean of its divisors is an integer number (90473562).

Almost surely, 2^481138402 is an apocalyptic number.

481138402 is a deficient number, since it is larger than the sum of its proper divisors (242650094).

481138402 is a wasteful number, since it uses less digits than its factorization.

481138402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693632.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 481138402 is about 21934.8672665234. The cubic root of 481138402 is about 783.5920246946.

Adding to 481138402 its reverse (204831184), we get a palindrome (685969586).

The spelling of 481138402 in words is "four hundred eighty-one million, one hundred thirty-eight thousand, four hundred two".