2403678699072 has 252 divisors, whose sum is σ = 8030355463260. Its totient is φ = 685412001792.

The previous prime is 2403678699011. The next prime is 2403678699089. The reversal of 2403678699072 is 2709968763042.

2403678699072 is a `hidden beast` number, since 2 + 40 + 367 + 86 + 9 + 90 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2269915877376 + 133762821696 = 1506624^2 + 365736^2 .

It is a tau number, because it is divible by the number of its divisors (252).

It is a super-2 number, since 2×2403678699072² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14282358 + ... + 14449674.

Almost surely, 2^{2403678699072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2403678699072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4015177731630).

2403678699072 is an abundant number, since it is smaller than the sum of its proper divisors (5626676764188).

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

2403678699072 is a wasteful number, since it uses less digits than its factorization.

2403678699072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167858 (or 167838 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 2403678699072 in words is "two trillion, four hundred three billion, six hundred seventy-eight million, six hundred ninety-nine thousand, seventy-two".