2420440040400 has 60 divisors (see below), whose sum is σ = 7753476266592. Its totient is φ = 645450677120.

The previous prime is 2420440040383. The next prime is 2420440040423. The reversal of 2420440040400 is 40400440242.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1008515484 + ... + 1008517883.

Almost surely, 2^{2420440040400} is an apocalyptic number.

2420440040400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420440040400 is an abundant number, since it is smaller than the sum of its proper divisors (5333036226192).

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

2420440040400 is a wasteful number, since it uses less digits than its factorization.

2420440040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017033388 (or 2017033377 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 2420440040400 its reverse (40400440242), we get a palindrome (2460840480642).

The spelling of 2420440040400 in words is "two trillion, four hundred twenty billion, four hundred forty million, forty thousand, four hundred".