1400075442 has 40 divisors (see below), whose sum is σ = 3210180336. Its totient is φ = 455836248.

The previous prime is 1400075437. The next prime is 1400075489. The reversal of 1400075442 is 2445700041.

It is a super-3 number, since 3×1400075442³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93528 + ... + 107459.

Almost surely, 2^1400075442 is an apocalyptic number.

1400075442 is an abundant number, since it is smaller than the sum of its proper divisors (1810104894).

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

1400075442 is a wasteful number, since it uses less digits than its factorization.

1400075442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201044 (or 201035 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 1400075442 is about 37417.5819902890. The cubic root of 1400075442 is about 1118.7090360374.

Adding to 1400075442 its reverse (2445700041), we get a palindrome (3845775483).

The spelling of 1400075442 in words is "one billion, four hundred million, seventy-five thousand, four hundred forty-two".