1400672801 has 4 divisors (see below), whose sum is σ = 1528006704. Its totient is φ = 1273338900.

The previous prime is 1400672773. The next prime is 1400672807. The reversal of 1400672801 is 1082760041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1082760041 = 11 ⋅98432731.

It is a cyclic number.

It is not a de Polignac number, because 1400672801 - 2⁶ = 1400672737 is a prime.

It is a super-2 number, since 2×1400672801² = 3923768590922371202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400672807) 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, 63666935 + ... + 63666956.

It is an arithmetic number, because the mean of its divisors is an integer number (382001676).

Almost surely, 2^1400672801 is an apocalyptic number.

1400672801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400672801 is a deficient number, since it is larger than the sum of its proper divisors (127333903).

1400672801 is a wasteful number, since it uses less digits than its factorization.

1400672801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127333902.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1400672801 is about 37425.5634693721. The cubic root of 1400672801 is about 1118.8681169630.

The spelling of 1400672801 in words is "one billion, four hundred million, six hundred seventy-two thousand, eight hundred one".