2135440422 has 40 divisors (see below), whose sum is σ = 4914305616. Its totient is φ = 692573328.

The previous prime is 2135440399. The next prime is 2135440427. The reversal of 2135440422 is 2240445312.

2135440422 is a `hidden beast` number, since 213 + 5 + 440 + 4 + 2 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135440427) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172138 + ... + 184125.

Almost surely, 2^2135440422 is an apocalyptic number.

2135440422 is an abundant number, since it is smaller than the sum of its proper divisors (2778865194).

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

2135440422 is a wasteful number, since it uses less digits than its factorization.

2135440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356314 (or 356305 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2135440422 is about 46210.8258095438. The cubic root of 2135440422 is about 1287.7428674587.

Adding to 2135440422 its reverse (2240445312), we get a palindrome (4375885734).

It can be divided in two parts, 21354 and 40422, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 2135440422 in words is "two billion, one hundred thirty-five million, four hundred forty thousand, four hundred twenty-two".