1400572261 has 16 divisors (see below), whose sum is σ = 1555400448. Its totient is φ = 1250395200.

The previous prime is 1400572241. The next prime is 1400572273. The reversal of 1400572261 is 1622750041.

It is a cyclic number.

It is not a de Polignac number, because 1400572261 - 2¹⁵ = 1400539493 is a prime.

It is a super-3 number, since 3×1400572261³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400572231) 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, 571140 + ... + 573586.

It is an arithmetic number, because the mean of its divisors is an integer number (97212528).

Almost surely, 2^1400572261 is an apocalyptic number.

1400572261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400572261 is a deficient number, since it is larger than the sum of its proper divisors (154828187).

1400572261 is a wasteful number, since it uses less digits than its factorization.

1400572261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1400572261 is about 37424.2202457179. The cubic root of 1400572261 is about 1118.8413456162.

The spelling of 1400572261 in words is "one billion, four hundred million, five hundred seventy-two thousand, two hundred sixty-one".