1401038830 has 8 divisors (see below), whose sum is σ = 2521869912. Its totient is φ = 560415528.

The previous prime is 1401038827. The next prime is 1401038861. The reversal of 1401038830 is 388301041.

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, 70051932 + ... + 70051951.

It is an arithmetic number, because the mean of its divisors is an integer number (315233739).

Almost surely, 2^1401038830 is an apocalyptic number.

1401038830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1401038830 is a deficient number, since it is larger than the sum of its proper divisors (1120831082).

1401038830 is a wasteful number, since it uses less digits than its factorization.

1401038830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140103890.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1401038830 is about 37430.4532433151. The cubic root of 1401038830 is about 1118.9655707269.

Adding to 1401038830 its reverse (388301041), we get a palindrome (1789339871).

The spelling of 1401038830 in words is "one billion, four hundred one million, thirty-eight thousand, eight hundred thirty".