1402453052 has 96 divisors (see below), whose sum is σ = 3376041984. Its totient is φ = 492019200.

The previous prime is 1402453009. The next prime is 1402453111. The reversal of 1402453052 is 2503542041.

It is a happy number.

It is a super-2 number, since 2×1402453052² = 3933749126128229408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159893 + ... + 168435.

It is an arithmetic number, because the mean of its divisors is an integer number (35167104).

Almost surely, 2^1402453052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402453052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1688020992).

1402453052 is an abundant number, since it is smaller than the sum of its proper divisors (1973588932).

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

1402453052 is a wasteful number, since it uses less digits than its factorization.

1402453052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8619 (or 8617 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1402453052 is about 37449.3398072650. The cubic root of 1402453052 is about 1119.3419423020.

Adding to 1402453052 its reverse (2503542041), we get a palindrome (3905995093).

It can be divided in two parts, 14024 and 53052, that added together give a palindrome (67076).

The spelling of 1402453052 in words is "one billion, four hundred two million, four hundred fifty-three thousand, fifty-two".