201400755 has 16 divisors (see below), whose sum is σ = 322942464. Its totient is φ = 107180000.

The previous prime is 201400753. The next prime is 201400757. The reversal of 201400755 is 557004102.

It is an interprime number because it is at equal distance from previous prime (201400753) and next prime (201400757).

It is not a de Polignac number, because 201400755 - 2¹ = 201400753 is a prime.

It is a super-2 number, since 2×201400755² = 81124528229140050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201400753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7371 + ... + 21380.

It is an arithmetic number, because the mean of its divisors is an integer number (20183904).

Almost surely, 2^201400755 is an apocalyptic number.

201400755 is a deficient number, since it is larger than the sum of its proper divisors (121541709).

201400755 is a wasteful number, since it uses less digits than its factorization.

201400755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29226.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 201400755 is about 14191.5733800027. The cubic root of 201400755 is about 586.1656501105.

Adding to 201400755 its reverse (557004102), we get a palindrome (758404857).

The spelling of 201400755 in words is "two hundred one million, four hundred thousand, seven hundred fifty-five".