400041737740 has 24 divisors (see below), whose sum is σ = 840160601280. Its totient is φ = 160002799488.

The previous prime is 400041737731. The next prime is 400041737741. The reversal of 400041737740 is 47737140004.

It is a self number, because there is not a number n which added to its sum of digits gives 400041737740.

It is not an unprimeable number, because it can be changed into a prime (400041737741) 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, 630820 + ... + 1094539.

It is an arithmetic number, because the mean of its divisors is an integer number (35006691720).

Almost surely, 2^400041737740 is an apocalyptic number.

It is an amenable number.

400041737740 is an abundant number, since it is smaller than the sum of its proper divisors (440118863540).

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

400041737740 is a wasteful number, since it uses less digits than its factorization.

400041737740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736961 (or 1736959 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 37.

Adding to 400041737740 its reverse (47737140004), we get a palindrome (447778877744).

The spelling of 400041737740 in words is "four hundred billion, forty-one million, seven hundred thirty-seven thousand, seven hundred forty".