240402105511432 has 8 divisors (see below), whose sum is σ = 450753947833950. Its totient is φ = 120201052755712.

The previous prime is 240402105511411. The next prime is 240402105511471. The reversal of 240402105511432 is 234115501204042.

It can be written as a sum of positive squares in only one way, i.e., 147287981523076 + 93114123988356 = 12136226^2 + 9649566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15025131594457 + ... + 15025131594472.

Almost surely, 2^{240402105511432} is an apocalyptic number.

It is an amenable number.

240402105511432 is a deficient number, since it is larger than the sum of its proper divisors (210351842322518).

240402105511432 is a wasteful number, since it uses less digits than its factorization.

240402105511432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30050263188935 (or 30050263188931 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 240402105511432 its reverse (234115501204042), we get a palindrome (474517606715474).

The spelling of 240402105511432 in words is "two hundred forty trillion, four hundred two billion, one hundred five million, five hundred eleven thousand, four hundred thirty-two".