1400342004 has 36 divisors (see below), whose sum is σ = 3545043684. Its totient is φ = 466083072.

The previous prime is 1400341993. The next prime is 1400342011. The reversal of 1400342004 is 4002430041.

It can be written as a sum of positive squares in 2 ways, for example, as 1271065104 + 129276900 = 35652^2 + 11370^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4357 + ... + 53100.

Almost surely, 2^1400342004 is an apocalyptic number.

It is an amenable number.

1400342004 is an abundant number, since it is smaller than the sum of its proper divisors (2144701680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400342004 is a wasteful number, since it uses less digits than its factorization.

1400342004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58144 (or 58139 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1400342004 is about 37421.1438093493. The cubic root of 1400342004 is about 1118.7800289725.

Adding to 1400342004 its reverse (4002430041), we get a palindrome (5402772045).

The spelling of 1400342004 in words is "one billion, four hundred million, three hundred forty-two thousand, four".