1401835215 has 48 divisors (see below), whose sum is σ = 2610455904. Its totient is φ = 639682560.

The previous prime is 1401835199. The next prime is 1401835231. The reversal of 1401835215 is 5125381041.

It is an interprime number because it is at equal distance from previous prime (1401835199) and next prime (1401835231).

It is not a de Polignac number, because 1401835215 - 2⁴ = 1401835199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8139 + ... + 53571.

It is an arithmetic number, because the mean of its divisors is an integer number (54384498).

Almost surely, 2^1401835215 is an apocalyptic number.

1401835215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401835215 is a deficient number, since it is larger than the sum of its proper divisors (1208620689).

1401835215 is a wasteful number, since it uses less digits than its factorization.

1401835215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45480 (or 45469 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1401835215 is about 37441.0899280456. The cubic root of 1401835215 is about 1119.1775464371.

The spelling of 1401835215 in words is "one billion, four hundred one million, eight hundred thirty-five thousand, two hundred fifteen".