1400535004 has 48 divisors (see below), whose sum is σ = 2846140416. Its totient is φ = 595961600.

The previous prime is 1400535001. The next prime is 1400535023. The reversal of 1400535004 is 4005350041.

It is a super-2 number, since 2×1400535004² = 3922996594858560032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400535001) 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, 137967 + ... + 147769.

It is an arithmetic number, because the mean of its divisors is an integer number (59294592).

Almost surely, 2^1400535004 is an apocalyptic number.

It is an amenable number.

1400535004 is an abundant number, since it is smaller than the sum of its proper divisors (1445605412).

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

1400535004 is a wasteful number, since it uses less digits than its factorization.

1400535004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026 (or 10024 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1400535004 is about 37423.7224765255. The cubic root of 1400535004 is about 1118.8314246615.

Adding to 1400535004 its reverse (4005350041), we get a palindrome (5405885045).

The spelling of 1400535004 in words is "one billion, four hundred million, five hundred thirty-five thousand, four".