1400424212 has 24 divisors (see below), whose sum is σ = 2687405952. Its totient is φ = 633254400.

The previous prime is 1400424209. The next prime is 1400424217. The reversal of 1400424212 is 2124240041.

It is a super-2 number, since 2×1400424212² = 3922375947111641888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400424217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73964 + ... + 90947.

It is an arithmetic number, because the mean of its divisors is an integer number (111975248).

Almost surely, 2^1400424212 is an apocalyptic number.

It is an amenable number.

1400424212 is a deficient number, since it is larger than the sum of its proper divisors (1286981740).

1400424212 is a wasteful number, since it uses less digits than its factorization.

1400424212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165119 (or 165117 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1400424212 is about 37422.2422096806. The cubic root of 1400424212 is about 1118.8019214503.

Adding to 1400424212 its reverse (2124240041), we get a palindrome (3524664253).

The spelling of 1400424212 in words is "one billion, four hundred million, four hundred twenty-four thousand, two hundred twelve".